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National Stock Number:
5310-00-176-6822
Federal Supply Class:
5310
National Item Identification Number:
001766822
Description:
NUT,SELF-LOCKING,CASTELLATED,HEX
Detail:
A NUT HAVING 6 FLAT SIDES, FLAT ON THE BOTTOM AND HAVING A SLOTTED CYLINDRICAL OR DOME SHAPED UPPER PORTION. AN INTEGRAL FEATURE IS INCORPORATED FOR LOCKING ON THE THREADS OF A MATING MEMBER. THE SLOTS WHEN USED IN CONJUNCTION WITH A SOLID OR SPLIT (COTTER) PIN, ACT AS AN EXTRA "FAIL SAFE" FEATURE IN CRITICAL APPLICATIONS. EXCLUDES NUT (1), SELF-LOCKING, SLOTTED, HEXAGON.
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Manufacturer Information:
| 69414-426 | 80539 | SPS TECHNOLOGIES, LLC | | 69414-428 | 80539 | SPS TECHNOLOGIES, LLC | | 92718 | 11599 | TRIUMPH ENGINE CONTROL SYSTEMS LLC |
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Techincal Specification:
| THREAD SERIES | UNJF | | NOMINAL THREAD SIZE | 0.250 INCHES | | THREAD QUANTITY PER INCH | 28 | | THREAD CLASS | 3B | | THREAD DIRECTION | RIGHT-HAND | | MATERIAL | STEEL COMP 1137 OVERALL | | MATERIAL DOCUMENT AND CLASSIFICATION | AMS 5024 ASSN STD SINGLE MATERIAL RESPONSE OVERALL | | SURFACE TREATMENT | CADMIUM OVERALL | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | AMS 2400 ASSN STD SINGLE TREATMENT RESPONSE OVERALL | | HARDNESS RATING | 28.0 ROCKWELL C MINIMUM AND | | 32.0 ROCKWELL C MAXIMUM | | NUT STYLE | CASTELLATED, HEXAGON | | NUT HEIGHT | 0.470 INCHES MINIMUM AND | | 0.490 INCHES MAXIMUM | | WIDTH ACROSS FLATS | 0.430 INCHES MINIMUM AND | | 0.439 INCHES MAXIMUM | | BEARING SURFACE TYPE | WASHER FACED | | LOCKING FEATURE | PREVAILING TORQUE ALL METAL DESIGN | | NUT COUNTERBORE DEPTH | 0.240 INCHES MINIMUM AND | | 0.250 INCHES MAXIMUM NUT | | COUNTERBORE DIAMETER | 0.296 INCHES MINIMUM AND | | 0.306 INCHES MAXIMUM NUT | | SPEC/STD CONTROLLING DATA | | | MANUFACTURERS CODE | 11599 | | MFR SOURCE CONTROLLING REFERENCE | 92718 |
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